package main
type room struct {
	width int32;
	height int32;
}

func main() {
	room1 :=room{
		width:  300,
		height: 400,
	}
	println(room1.width)
	println(room1.height)
	println(room1.q())
}

func (r room) q() int32{
	return r.height*r.width
}